package com.ws.q1.service;

import com.ws.q1.bean.GongYingShang;

import java.util.List;

public interface GongYingShangService {
    int add(GongYingShang gongYingShang);

    List<GongYingShang> list();

    int deleteById(Integer id);

    void update(Integer id, GongYingShang gongYingShang);

    GongYingShang huixian(Integer id);

    List<GongYingShang> list2();
}
